<template>
<!--引入container布局-->
  <el-container style="height:100vh">
    <!-- 头部 -->
    <el-header>
      <div>
        <img src="../assets/logo.png" alt />
        <span>商城后台管理系统</span>
      </div>
      <el-button type="info" @click="logout">退出</el-button>
    </el-header>
    <!-- 主体 -->
    <el-container>
      <!-- 侧边栏 -->
      <el-aside :width="isCollapse ? '64px' : '200px'">
        <div class="toggle-button" @click="toggleCollapse">|||</div><!--伸缩按钮-->
        <el-menu
          router
          background-color="#333744"
          text-color="#fff"
          active-text-color="#409EFF"
          unique-opened
          :collapse="isCollapse"
          :collapse-transition="false"
          :default-active="$route.path"
        >
         <!-- 一级菜单 -->
          <el-submenu :index="item.id+''" v-for="item in menulist" :key="item.id">
            <template slot="title">
              <i :class="iconObj[item.id]"></i>
              <span>{{item.authName}}</span>
            </template>
            <!-- 二级菜单 -->
            <el-menu-item :index="'/'+subItem.path" v-for="subItem in item.children" :key="subItem.id">
              <template slot="title">
                <i class="el-icon-menu"></i>
                <span>{{subItem.authName}}</span>
              </template>
            </el-menu-item>
          </el-submenu>
        </el-menu>
      </el-aside>
      <!-- 主体内容 -->
      <el-main>
        <router-view></router-view>
      </el-main>
    </el-container>
  </el-container>
</template>

<script>
  import menuList from '../router/menu'
export default {
  data() {
    return {
      //菜单列表
      menulist: [],
      iconObj: {
        "125": "iconfont icon-icon_user",
        "101": "iconfont icon-shangpin",
        "102": "iconfont icon-danju",
        "145": "iconfont icon-baobiao"
      },
      isCollapse: false,
    };
  },
  methods: {
    //退出方法
    logout() {
      window.sessionStorage.clear;//清除session
      this.$router.push("/login");//回到登录页
    },
    //获取导航菜单
    async getMenuList() {
        this.menulist = menuList;
    },
     // 切换菜单折叠与展开
    toggleCollapse() {
      this.isCollapse = !this.isCollapse;
    }
  },
  //onload事件
  created() {
     //查询menuList
    this.getMenuList();
  }
};
</script>

<style lang="less" scoped>
/* 头部样式  */
.el-header {
  background-color: #373d41;
  display: flex;
  justify-content: space-between;
  padding-left: 0;
  align-items: center;
  color: #fff;
  font-size: 20px;
  > div {
    display: flex;
    align-items: center;
    span {
      margin-left: 15px;
    }
  }
  img {
    width: 50px;
    height: 50px;
  }
}
/* 侧边栏样式 */
.el-aside {
  background-color: #333744;
  .el-menu {
    border-right: none;
  }
}
/* 主体样式 */
.el-main {
  background-color: #eaedf1;
}

.iconfont {
  margin-right: 10px;
}
/*伸缩按钮*/
.toggle-button {
  background-color: #4a5064;
  font-size: 10px;
  line-height: 24px;
  color: #fff;
  text-align: center;
  letter-spacing: 0.2em;
  cursor: pointer;// 显示鼠标指针为：小手
}
</style>
